NAME

       geev_comp_grp - Eig computational routines

SYNOPSIS

   Modules
       gebal:          balance matrix
       gehrd:          reduction to Hessenberg
       gehd2:          reduction to Hessenberg, level 2
       lahr2:          step in gehrd
       {un,or}ghr:     generate Q from gehrd
       {un,or}mhr:     multiply by Q from gehrd
       gebak:          back-transform eigvec
       hseqr:          Hessenberg eig, QR iteration
       hsein:          Hessenberg inverse iteration for eigvec
       trevc:          eigenvectors of triangular Schur form, old
       trevc3:         eigenvectors of triangular Schur form, blocked
       laln2:          1x1 or 2x2 solve, step in trevc
       trsyl:          Sylvester equation
       trsyl3:         Sylvester equation, level 3
       lasy2:          Sylvester equation
       trsna:          eig condition numbers
       laqtr:          quasi-triangular solve
       trexc:          reorder Schur form
       trsen:          reorder Schur form
       laexc:          reorder Schur form
       lanv2:          2x2 Schur factor
       — hseqr auxiliary —
       laein:          eigvec by Hessenberg inverse iteration
       lahqr:          eig of Hessenberg, step in hseqr
       laqr0:          eig of Hessenberg, step in hseqr
       laqr1:          step in hseqr
       laqr2:          step in hseqr
       laqr3:          step in hseqr
       laqr4:          eig of Hessenberg, step in hseqr
       laqr5:          step in hseqr
       iparmq:         set parameters for hseqr
       — ggev3, gges3 auxiliary —
       laqz0:          step in ggev3, gges3
       laqz1:          step in ggev3, gges3
       laqz2:          step in ggev3, gges3
       laqz3:          step in ggev3, gges3
       laqz4:          step in ggev3, gges3

Detailed Description

Author

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